Operation; Fault Codes - Jet MAXI D125 Operation & Maintenance Manual

Operation

Once commissioned, the pressurisation unit should operate without any user intervention.
Under normal operating conditions, the display will show the current system pressure in Bar.
While the unit is filling, the display will show <PUMP 1 RUN> or <PUMP 2 RUN> depending on which pump is
currently running.
If the unit identifies a fault, the display will show the relevant fault code.
If the
will cause the current system pressure to be temporarily shown on the display.

Fault Codes

The following table gives the meanings of all fault codes used on the digital controller:
Fault Code
LOW PRESSURE
HIGH PRESSURE
LOW H20
HIGH H20
P1 FAIL
P2 FAIL
P1 FLOOD LIMIT
P2 FLOOD LIMIT
ERR. 1
EXCESSIVE DEMAND
SERVICE
For practical guidance on diagnosing and rectifying faults, please refer to the Troubleshooting
section of this manual.
We reserve the right to change designs and technical specifications of our products
pressurisation unit is showing a fault code on the display, holding down the [SET] button
The system pressure is below the [LOW PRESSURE] set
point.
The system pressure is above the [HIGH PRESSURE] set
point.
The break-tank low level float switch has been activated
The break-tank high level float switch has been activated
The controller has detected a fault (incorrect current draw)
on the respective pump
The respective pump has run for longer than the [FLOOD
LIMIT] period
The signal from the pressure sensor is out of range
There have been 4 pump starts within an 8 hour period
The pressurisation unit is due an annual service
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Description
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Auto/Manual
Reset
User Defined
User Defined
Auto Reset
Auto Reset
Manual Reset
Manual Reset
Manual Reset
Manual Reset
Manual Reset
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